Quick answers
- Does Lauren A. Niemeyer accept Medicare assignment?
- Medicare's clinician data says Lauren A. Niemeyer may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Lauren A. Niemeyer see?
- In 2024, CMS data shows 41 Original Medicare patients and 173 services for Lauren A. Niemeyer. This counts Original Medicare only and measures volume, not quality.
- What is Lauren A. Niemeyer's NPI number?
- 1841720893. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Lauren A. Niemeyer, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 41 |
|---|---|
| Services billed to Medicare | 173 |
| Different services or procedures | 9 |
| Participating Medicare provider | Yes |
| Average age of these patients | 81 |
Most frequent services
- Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)40 services
- Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes (99350)38 services
- Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes (99310)34 services
- Advance care planning, first 30 minutes (99497)26 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Depression71%
- Anxiety68%
- Alzheimer's disease or dementia68%
- Arthritis59%
Practice locations
Addresses where Lauren A. Niemeyer is enrolled with Medicare (CMS data updated October 2, 2026).
- 234 Garden StYorkville, IL 60560 (630) 553‑8500
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Yorkville
Clinicians with the same Medicare primary specialty in Yorkville, IL — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1841720893 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians